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05-25-2021, 04:14 PM
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Sage
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Join Date: Dec 2012
Location: Somewhere over the rainbow
Posts: 12,433
Thanks: 6,360
Thanked 4,952 Times in 2,463 Posts
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Quote:
Originally Posted by retiredguy123
Expansion tanks are required by almost all plumbing codes where the water system is a closed system with a backflow preventer. It's pretty much a universal requirement. Not just in the South.
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Not where I’ve been.
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